19 Most Dangerous Diseases in the World

19 Most Dangerous Diseases In The World

Here are the top diseases causing the most deaths worldwide:

1. Diabetes mellitus

Diabetes mellitus is a severe metabolic life-threatening disease that is caused by low production or absence of insulin and elevated blood sugar (hyperglycemia). In 2016, 1.6 million deaths were caused by diabetes. The cause of death in diabetic patients are the complications that arise from diabetes.

Diabetes is the primary cause of stroke, limb amputation, blindness, kidney failure, coma, and heart attacks. Type 2 Diabetes is the most common for both men and women, and can be prevented by lifestyle modifications such:

  • Weight loss and maintaining a healthy weight range for height
  • Healthy diet
  • Increasing physical activities
  • Quit smoking
19 Most Dangerous Diseases in the World
Diabetes mellitus

For people who already have diabetes, taking medications, maintaining a healthy diet regime, and engaging in physical activities can assist in delay the onset of complications. Here are everything you need to know about diabetes mellitus.

2. Chronic obstructive pulmonary disease (COPD)

Chronic obstructive pulmonary disease (COPD) Is the combination of chronic bronchitis and emphysema. The significant causes of death are acute respiratory failure, pulmonary infection, pulmonary embolism, and heart failure. 

Can COPD be prevented?

COPD can be prevented by:

  • Quitting smoking.
  • Avoid exposure to second-hand smoking.
  • Reduce exposure to lung irritants such as air pollution, chemical fumes and dusts.

3. Pneumonia

Pneumonia is the inflammation of the lungs that can become life-threatening. It is the leading cause of death in children under five years of age worldwide. 

How likely is it to die from pneumonia? The significant causes of death are sepsis, shock, respiratory failure, and sudden cardiac death.

Prevention of pneumonia include:

  • Vaccination (flu shot )
  • Always wash hands after using the restroom or blowing your nose
  • Quit smoking
  • Don’t pick up tobacco and avoid being a second-hand smoker

4. Stroke

Stroke Is the decease flow of blood to the brain that can lead to sudden death. According to reports from the CDC, stroke is a leading cause of severe long-term disability.

Stroke can be prevented by:

  • Weight loss
  • Quit smoking
  • Decrease blood pressure
  • Improve physical activities
  • Manage all outstanding disorders, for example, diabetes, atrial fibrillation, and sickle cell anemia.
  • Stop the intake of alcohol or reduce the consumption of alcohol

5. Coronary artery disease (heart attack)

A heart attack is one of the significant causes of death worldwide for both men and women. It accounts for 1 in 7 death in the United States, killing about 366,800 people per year. Here are the heart attack warning signs

Prevention of Coronary Heart Disease include: 

  • Decrease cholesterol levels
  • Reduce blood pressure
  • Manage stress
  • Limit alcohol intake
  • Weight loss and maintain a healthy weight range

6. Influenza (The Flu)

Influenza (the flu) Is a prevalent yearly infection that is usually mild in severity but can be life-threatening disease. It causes about 290,000 – 650,000 deaths worldwide per year. The best way to prevent influenza is yearly vaccination. 

7. Tuberculosis

Tuberculosis is one of the topmost ten causes of death. About 1.5 million people died from tuberculosis in 2018. The significant causes of death are respiratory failure and pneumonia. 

Prevention of TB include:

  • Vaccination: Bacillus calmette guerin vaccine (BCG)
  • Wash hands
  • Cover mouth while coughing and sneezing with tissue and dispose of afterward
  • Avoid crowded space

8. Liver cirrhosis

Liver cirrhosis is scarring of the liver tissue. Life expectancy for advanced cirrhosis is 6months – 2 years. The primary cause of death is liver failure and gastrointestinal bleeding. 

Prevention of liver cirrhosis include:

  • Quit Alcohol intake
  • Practice safe sex
  • Avoid intravenous drug abuse
  • Vaccination (hepatitis B vaccine)

9. Malaria

Malaria is majorly an infection of the tropics and subtropical regions of the world. Malaria is responsible for about 1-3 million deaths per year worldwide. It is preventable. Don’t miss these malaria information.

10. Coronaviruses

Coronaviruses are respiratory viruses that cause disorders from pneumonia to acute respiratory distress syndrome. Their severity range from mild cases to life-threatening (including death). Read about these about coronaviruses.

11. Shock

Shock is a life-threatening emergency with an increased risk of death of about 20 -50%. Lifestyle modifications and maintaining blood pressure levels are significant ways to prevent shock. Here are signs and symptoms of shock.

12. Hypertrophic cardiomyopathy

Hypertrophic cardiomyopathy is one of the major causes of sudden cardiac death in people under 30years of age. It is a common cause of death in athletes. It can be prevented by:

  • Limiting alcohol intake
  • Quit smoking
  • Manage stress
  • A healthy, well-balanced diet

13. Bleeding disorders

Hemophilia is a disorder where blood doesn’t clot properly, leading to excess bleeding. 10% of those with severe hemophilia develop bleeding in the skull, and 30% with skull bleeding die.

There are several types of hemophilia:

  1. Hemophilia A (factor VIII deficiency)
  2. Hemophilia B (factor IX deficiency)
  3. Hemophilia C (factor XI deficiency)
  4. Von Willebrand disease (also called angiohemophilia)
  5. Acquired bleeding disorders: for example, vitamin K deficiency, Disseminated intravascular coagulopathy (DIC), and liver disease.

How can hemophilia be prevented?

Hemophilia is usually inherited. Therefore preventive techniques aim at reducing factors that expose patients to bleeding, such as:

  • Avoiding blood-thinning medications.
  • Good dental hygiene.
  • Reduce intense activities that can lead to injuries.
  • Avoid aspirin used (it is an antiplatelet medication. It prevent the clot from forming).

14. Lung cancer

Lung cancer is one of the most common cancer and accounts for about 27% of all cancer deaths. There are about 2.9 million cases of lung cancer worldwide. 

How is lung cancer prevented? The best ways to lessen the risk of lung cancer are:

  • Quit smoking
  • Don’t start smoking if you have never smoked and avoided exposure to secondhand some
  • Add more fresh fruits and vegetables that are rich in antioxidants to your diet
  • Manage all lung diseases appropriately
  • Avoid exposure to carcinogens such as asbestos and arsenic

15. Leukemia

Leukemia is a cancer of the white blood cells and one of the leading causes of cancer deaths in the world. Death usually occurs from infections (bacterial infections mostly). These are the warning signs of leukemia.

16. Sickle Cell Anemia: Anemi (Sca)

Sickle cell anemia It is an inherited autosomal recessive disorder. The national median life expectancy for SCA is 42-47 years old. The causes of death are acute episodes of plain, stroke, and acute chest syndrome. 

SCA is preventable. Check out these common symptom of all types of anemia.

17. Acute kidney injury

Acute kidney injury Is an emergency disorder caused by the kidney’s inability to filter blood. It is life-threatening if not managed correctly and on time.

18. Diarrheal disease

Diarrheal diseases are the second leading cause of death in children under the ages of 5. Diarrhea kills 2,195 children per day, and it accounts for 1 in 9 deaths worldwide in children, according to WHO (World Health Organization)

In 2015, 1.31 million death were recorded globally as a result of diarrhea, and 499,000 were children. The primary cause of death in diarrhea disease is dehydration.

Prevention of Diarrheal diseases include:

  • Avoid eating foods from street vendors.
  • Drink only bottled water or a clean source of water that you are sure of.
  • Wash fruits and vegetables with clean water
  • Cook foods properly with clean water
  • Sterilized feeding bottles used by infants properly

19. Sudden cardiac arrest

Sudden cardiac arrest is an emergency health crisis that is the leading cause of death in the United States. It kills 1,000 people per day or one person every 2 minutes. 

What is the first aid for cardiac arrest? The best way to manage cardiac arrest when it occurs is to carry out cardiopulmonary resuscitation (CPR) and defibrillation immediately.

Final word

This is an educational article about top diseases. Many of the diseases listed here can be prevented and treated.